The patients will have to wait all day ______ the doctor works faster.
| A．if | B．unless | C．whether | D．that |
My dream hometown is an amazing place without any ________.
| A． population | B．traffic |
| C．pollution | D．advertisements |
—What will the weather be like tomorrow?
—It__________ be rainy, cloudy or sunny, I’m not sure.
| A．must | B．may | C．shall | D．should |
— What do you want to eat for lunch? I will prepare earlier today.
— Honey, you_____. Let’s go out to have something different.
| A．mustn’t | B．can’t |
| C．shouldn’t | D．don’t have to |
— Would you mind turning up the music?
— ________. Dad is sleeping now.
| A．Sorry, I can’t do it | B．OK, I’ll do it |
| C．No, not at all | D．Yes, please |